[填空题]The international situation has been growing (increase) ______ difficult for the last few years.

[填空题]The international situation has been growing (increase)______difficult for the last few years.

[单项选择]The international situation has been growing （） difficult for the last few years.
A. invariably
B. presumably
C. increasingly
D. dominantly

[单项选择]Over the last 40 years there has been a great increase not only in the number of agricultural pesticides in use but also in the care and sophistication with which they are used by farmers. Nevertheless, the proportion of agricultural crops lost to certain pests worldwide has increased over the same period, even when the pests concerned have not developed resistance to existing pesticides.
Which of the following, if true, best explains how improvements in pesticide use have been accompanied by greater losses to certain pests
A. Some dangerous but relatively ineffective pesticides common 40 years ago are no longer in widespread use.
B. As pesticides have become increasingly pest-specific, controlling certain pests with pesticides has turned out to cost more in many cases than the value of crop losses caused by those pests.
C. Because today’s pesticides typically have more specific application conditions than did pesticides in use 40 years ago, today’s farmers observe their fields more closely than did farmers 40 years ago.
D. Certain pest-control methods that some farmers use today do not involve the use of chemical pesticides but are just as effective in eliminating insect pests as those that do.
E. (E) Forty years ago, much less was known about the effects of pesticides on humans and other mammalian species than is now known.

[填空题]The drastic changes in the international situation___________________(把建立国际新秩序的问题进一步提到了全世界面前).

[单项选择]The international situation of the present day is beyond my comprehension. ______
A. 现在的国际形势超出了我的综合判断。
B. 当今的国际形势在我的理解之外。
C. 现在的国际形势在我的预料之中。
D. 我真弄不明白当今的国际形势。

[单项选择]

The home computer industry has been growing rapidly in the United States for the last ten years. Computers used to be large, expensive machines that were very difficult to use. But scientists and technicians have been making them smaller and cheaper while at the same time they have been made easier to use. As a result, their popularity(普及) has been increasing as more people have been buying computers for their homes and businesses. Computers have been designed to store information and computer problems that are difficult for human beings to work out. Some have voices that speak with the operators. Stores use computers to keep records of their inventories(库存货物) and to send bills to their customers. Offices use computers to copy letters, record business and keep track(足迹) of the money they spend.
One important new use for computers is for entertainment(娱乐). Many new games have been designed to be played on the computers. People of all ages have been playing these games. Peo
A. work rapidly
B. be large and expensive
C. be used for fun
D. be easy to use

[单项选择]

The home computers industry has been growing (21) in the world for the last twenty years. Computers used to be large, expensive machines that (22) very difficult to use. But scientists and technicians have been making smaller and cheaper while at the same time they have been made easier to use. As (23) , their popularity has been increasing as more people have been buying computers for their homes and businesses. Computers have been designed to store (24) and compute complex problems. Computers are used in (25) traffic in some cities. Stores use computers to keep records of their goods and to send (26) to their customers. Offices use computers to type letters, record business and communicate (27) other offices. People have been using computers in their homes to keep track of expenses and (28) their household appliances on and off. One important new (29) for computers is for entertainment. Many new games which have bee
A. information
B. informations
C. materials
D. means